C\u00e2y tr\u1ed3ng trong qu\u00e1 tr\u00ecnh sinh tr\u01b0\u1edfng kh\u00f4ng ch\u1ec9 c\u1ea7n c\u00e1c \u0111i\u1ec1u ki\u1ec7n c\u01a1 b\u1ea3n kh\u00f4ng kh\u00ed, n\u01b0\u1edbc, \u00e1nh s\u00e1ng, nhi\u1ec7t \u0111\u1ed9\u2026 m\u00e0 c\u00f2n c\u1ea7n b\u00f3n ph\u00e2n khi th\u00edch h\u1ee3p cho c\u00e2y, \u0111\u1ec3 th\u00fac \u0111\u1ea9y c\u00e2y sinh tr\u01b0\u1edfng kh\u1ecfe m\u1ea1nh. D\u1ea5m l\u00e0 m\u1ed9t lo\u1ea1i gia v\u1ecb, kh\u00f4ng li\u00ean quan g\u00ec t\u1edbi s\u1ef1 sinh tr\u01b0\u1edfng c\u1ee7a th\u1ef1c v\u1eadt, nh\u01b0ng c\u00f3 ng\u01b0\u1eddi \u0111\u00e3 d\u00f9ng d\u1ea5m t\u01b0\u1edbi l\u00ean c\u00e2y tr\u1ed3ng v\u00e0 thu \u0111\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 b\u1ea5t ng\u1edd. V\u00ed d\u1ee5 v\u1edbi dung d\u1ecbch d\u1ea5m 200 x 10-6 phun l\u00ean l\u00e1 c\u00e2y d\u01b0a h\u1ea5u, c\u00e2y l\u1edbn qu\u1ea3 v\u1eeba nhi\u1ec1u v\u1eeba to, h\u01a1n n\u1eefa \u0111\u1ed9 ng\u1ecdt c\u0169ng t\u0103ng. Trong th\u1eddi k\u00ec l\u00faa tr\u1ed5 b\u00f4ng d\u00f9ng dung d\u1ecbch d\u1ea5m 150 x 10-6 phun l\u00ean m\u1eb7t l\u00e1 c\u1ee7a c\u00e2y l\u00faa n\u01b0\u1edbc, t\u1ec9 l\u1ec7 k\u1ebft h\u1ea1t c\u1ee7a c\u00e2y s\u1ebd t\u0103ng, tr\u1ecdng l\u01b0\u1ee3ng ngh\u00ecn h\u1ea1t t\u0103ng; c\u00f2n \u0111\u1ed1i v\u1edbi nh\u1eefng lo\u1ea1i c\u00e2y c\u1ea3nh t\u01b0\u1edbi dung d\u1ecbch d\u1ea5m v\u00e0o, c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n hoa, t\u0103ng nhi\u1ec1u hoa v\u00e0 s\u1eafc hoa c\u00e0ng th\u00eam r\u1ef1c r\u1ee1.<\/p>\n\n\n\n
T\u1ea1i sao d\u1ea5m l\u1ea1i c\u00f3 th\u1ec3 th\u00fac \u0111\u1ea9y s\u1ef1 sinh tr\u01b0\u1edfng c\u1ee7a c\u00e2y? \u0110i\u1ec1u n\u00e0y \u0111\u1ec1 c\u1eadp t\u1edbi s\u1ef1 h\u00f4 h\u1ea5p c\u1ee7a th\u1ef1c v\u1eadt. Th\u1ef1c v\u1eadt gi\u1ed1ng nh\u01b0 \u0111\u1ed9ng v\u1eadt, m\u1ed7i gi\u1edd m\u1ed7i ph\u00fat \u0111\u1ec1u ph\u1ea3i th\u1edf. \u0110i\u1ec3m kh\u00e1c bi\u1ec7t l\u00e0 \u0111\u1ed9ng v\u1eadt c\u00f3 c\u01a1 quan h\u00f4 h\u1ea5p chuy\u00ean m\u00f4n nh\u01b0 l\u1ed7 m\u0169i, kh\u00ed qu\u1ea3n, ph\u1ed5i\u2026 v\u00e0 t\u1ea1o th\u00e0nh b\u1ed9 m\u00e1y h\u00f4 h\u1ea5p ho\u00e0n ch\u1ec9nh; c\u00f2n th\u1ef1c v\u1eadt kh\u00f4ng c\u00f3 h\u1ec7 th\u1ed1ng h\u00f4 h\u1ea5p chuy\u00ean m\u00f4n, m\u1ed7i m\u1ed9t t\u1ebf b\u00e0o s\u1ed1ng \u0111\u1ec1u c\u00f3 th\u1ec3 \u0111\u1ed9c l\u1eadp ti\u1ebfn h\u00e0nh h\u00f4 h\u1ea5p. T\u00e1c d\u1ee5ng h\u00f4 h\u1ea5p c\u1ee7a th\u1ef1c v\u1eadt ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong tuy\u1ebfn l\u1ea1p th\u1ec3 \u1edf b\u00ean trong t\u1ebf b\u00e0o. Trong tuy\u1ebfn l\u1ea1p th\u1ec3 n\u00e0y c\u00f3 m\u1ed9t d\u00e3y ch\u1ea5t x\u00fac t\u00e1c, nh\u1edd s\u1ef1 tham gia c\u1ee7a ch\u00fang, c\u00f9ng ho\u00e0n th\u00e0nh qu\u00e1 tr\u00ecnh h\u00f4 h\u1ea5p.<\/p>\n\n\n\n
T\u00e1c d\u1ee5ng h\u00f4 h\u1ea5p c\u1ee7a th\u1ef1c v\u1eadt r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi s\u1ef1 sinh tr\u01b0\u1edfng c\u1ee7a th\u1ef1c v\u1eadt. D\u01b0\u1edbi s\u1ef1 th\u00fac \u0111\u1ea9y c\u1ee7a ch\u1ea5t x\u00fac t\u00e1c, l\u1ea7n l\u01b0\u1ee3t oxi h\u00f3a c\u00e1c ch\u1ea5t h\u1eefu c\u01a1 \u0111\u01b0\u1ee3c t\u00edch l\u0169y nh\u1edd t\u00e1c d\u1ee5ng quang h\u1ee3p \u0111\u1ec3 ph\u00e2n gi\u1ea3i th\u00e0nh nh\u1eefng ch\u1ea5t \u0111\u01a1n gi\u1ea3n (t\u1ee9c cacbon \u0111ioxit v\u00e0 n\u01b0\u1edbc), \u0111\u1ed3ng th\u1eddi gi\u1ea3i ph\u00f3ng n\u0103ng l\u01b0\u1ee3ng, cung c\u1ea5p cho c\u00e2y ti\u1ebfn h\u00e0nh c\u00e1c ho\u1ea1t \u0111\u1ed9ng s\u1ed1ng kh\u00e1c. V\u00ed d\u1ee5 s\u1ef1 h\u00f4 h\u1ea5p v\u00e0 v\u1eadn chuy\u1ec3n n\u01b0\u1edbc, ph\u00e2n b\u00f3n c\u1ee7a r\u1ec5; s\u1ef1 h\u1ee3p th\u00e0nh v\u00e0 ph\u00e2n gi\u1ea3i c\u00e1c ch\u1ea5t trong c\u01a1 th\u1ec3; s\u1ef1 \u0111i\u1ec1u h\u00f2a \u0111\u00f3ng m\u1edf c\u1ee7a c\u00e1c l\u1ed7 kh\u00ed tr\u00ean phi\u1ebfn l\u00e1 c\u1ee7a th\u1ef1c v\u1eadt, sinh tr\u01b0\u1edfng, ra hoa, th\u1ee5 tinh, k\u1ebft qu\u1ea3\u2026 \u0111\u1ec1u nh\u1edd t\u00e1c d\u1ee5ng h\u00f4 h\u1ea5p kh\u00f4ng ng\u1eebng cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng. Nh\u01b0ng b\u1ea5t k\u00ec vi\u1ec7c g\u00ec \u0111\u1ec1u c\u00f3 \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh, t\u00e1c d\u1ee5ng h\u00f4 h\u1ea5p qu\u00e1 d\u1ed3i d\u00e0o s\u1ebd ti\u00eau hao qu\u00e1 nhi\u1ec1u ch\u1ea5t h\u1eefu c\u01a1, ch\u1ea5t \u0111\u01b0\u1ee3c t\u1ea1o ra do s\u1ef1 quang h\u1ee3p t\u00edch l\u0169y \u0111\u01b0\u1ee3c s\u1ebd gi\u1ea3m \u0111i, nh\u01b0 v\u1eady l\u1ea1i b\u1ea5t l\u1ee3i cho s\u1ef1 sinh tr\u01b0\u1edfng v\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a th\u1ef1c v\u1eadt. Theo c\u00e1c nh\u00e0 sinh l\u00ed h\u1ecdc th\u1ef1c v\u1eadt: n\u1ebfu t\u00e1c d\u1ee5ng h\u00f4 h\u1ea5p b\u1ecb \u1ee9c ch\u1ebf \u1edf m\u1ee9c 20% – 30%, th\u00ec hi\u1ec7u su\u1ea5t t\u00e1c d\u1ee5ng quang h\u1ee3p c\u00f3 th\u1ec3 t\u0103ng 10% – 20%. C\u00f2n khi t\u01b0\u1edbi dung d\u1ecbch d\u1ea5m, c\u00f3 th\u1ec3 kh\u1ed1ng ch\u1ebf m\u1ed9t c\u00e1ch th\u00edch h\u1ee3p ho\u1ea1t t\u00ednh sinh v\u1eadt c\u1ee7a acid glcolic, oxidase trong qu\u00e1 tr\u00ecnh h\u00f4 h\u1ea5p t\u1ebf b\u00e0o th\u1ef1c v\u1eadt. Do s\u1ef1 ti\u00eau hao c\u00e1c ch\u1ea5t c\u1ee7a c\u01a1 th\u1ec3 th\u1ef1c v\u1eadt b\u1ecb ng\u0103n c\u1ea3n, m\u00e0 t\u00e1c d\u1ee5ng quang h\u1ee3p v\u1eabn ti\u1ebfn h\u00e0nh b\u00ecnh th\u01b0\u1eddng, nh\u01b0 v\u1eady s\u1ef1 t\u00edch l\u0169y ch\u1ea5t h\u1eefu c\u01a1 trong c\u01a1 th\u1ec3 th\u1ef1c v\u1eadt t\u0103ng, cho n\u00ean s\u1ee9c l\u1edbn c\u1ee7a th\u1ef1c v\u1eadt c\u0169ng t\u1ed1t h\u01a1n, s\u1ea3n l\u01b0\u1ee3ng c\u0169ng t\u0103ng h\u01a1n.<\/p>\n","protected":false},"excerpt":{"rendered":"
C\u00e2y tr\u1ed3ng trong qu\u00e1 tr\u00ecnh sinh tr\u01b0\u1edfng kh\u00f4ng ch\u1ec9 c\u1ea7n c\u00e1c \u0111i\u1ec1u ki\u1ec7n c\u01a1 b\u1ea3n kh\u00f4ng kh\u00ed, n\u01b0\u1edbc, \u00e1nh s\u00e1ng, nhi\u1ec7t \u0111\u1ed9\u2026 m\u00e0 c\u00f2n c\u1ea7n b\u00f3n ph\u00e2n khi th\u00edch h\u1ee3p cho c\u00e2y, \u0111\u1ec3 th\u00fac \u0111\u1ea9y c\u00e2y sinh tr\u01b0\u1edfng kh\u1ecfe m\u1ea1nh. D\u1ea5m l\u00e0 m\u1ed9t lo\u1ea1i gia v\u1ecb, kh\u00f4ng li\u00ean quan g\u00ec t\u1edbi s\u1ef1 sinh tr\u01b0\u1edfng c\u1ee7a […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15,19],"tags":[],"class_list":["post-9810","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-tu-nhien"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/9810","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=9810"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/9810\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=9810"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=9810"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=9810"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}